When you try to edit a PDF with a password, a warning screen appears and you cannot edit it. This page shows you how to edit a password-protected PDF on a Mac, but you can do it on Windows as well. The method is to use cloud storage such as "Microsoft OneDrive" or "Google Drive".

I will introduce the slideshow feature available in the Photos app on your Mac. There are two types: an easy-to-use "Instant slideshow" and a "Slideshow project" that allows detailed settings and video file export.

You can use the shared album function in the Photos app on your Mac to share your photos and videos with others. On this page, I will explain in detail how to use the shared album function using screenshots.

I will intoroduce how to move the photos library of your Mac's "Photos" app to an external hard drive or SSD. There is an explanation on Apple's official website, but this page will explain it in an easy-to-understand manner with screenshots.

I will introduce how to delete and restore photos in the Photos app on your Mac. I will also show you how to "permanently delete" deleted photos so that they cannot be restored.

You can use the "Preview.app" and "Photos.app" apps to print photos with standard Mac features. At that time, I will show you how to print multiple photos on one sheet of paper.

I will show you how to crop an image using only standard Mac functions. Here, I will introduce two methods, "Preview.app" and "Photos.app" of the genuine Mac apps, but I will also explain the advantages and disadvantages.

I will introduce three ways to paste images / photos into PDF on Mac. I will compare the advantages and disadvantages of each and introduce specific operation methods.

If you use the genuine Mac app "Photos" for a long time, one day your Photos library may suddenly become damaged and you may not be able to open it. For these occasions, Photos app has a feature called "Repair" for your damaged Photos library. So, on this page, I will explain how to repair your Photos library and what you should be aware of.